A 9 eV superexcited state of 1,3-cyclohexadiene revealed by double resonance ionization photoelectron spectroscopy

被引：21

作者：

Cheng, W ^{[1
]}

Evans, CL ^{[1
]}

Kuthirummal, N ^{[1
]}

Weber, PM ^{[1
]}

机构：

[1] Brown Univ, Dept Chem, Providence, RI 02912 USA

来源：

CHEMICAL PHYSICS LETTERS | 2001年 / 349卷 / 5-6期

关键词：

D O I：

10.1016/S0009-2614(01)01204-0

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Photoelectron spectra of 1,3-cyclohexadiene (CHD) have been obtained by three-photon, double resonance ionization via the ultrashort lived B-1(2) (S-2) state, and a previously unknown superexcited valence state at 9.0-9.5 eV. Upon two-photon excitation to the superexcited state there is an ultrafast internal conversion leading to a set of vibrationally excited Rydberg states. Ionization out of these latter states by a third photon results in photoelectron spectra that show two prominent Rydberg series with quantum defects of delta = 0.58 +/-0.04 and 6 = 0.98 +/-0.02, respectively. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：405 / 410

页数：6

共 17 条

[1]

[Anonymous], RYDBERG STATES ATOMS

[2] Time-resolved dissociative intense-laser field ionization for probing dynamics: Femtosecond photochemical ring opening of 1,3-cyclohexadiene [J].